Sleeper screws consist of a head with a square or rectangular section with a round collar as well as a threaded part with a single thread of a considerable height and a considerable pitch. Sleeper screws are used to connect steel elements of a track structure with wooden or concrete sleepers.
Ss series railway sleeper screw
Size: 24xL, L=150mm to 240mm
Grade: 5.6, 8.8
Standard: ISO898-1, UIC864-1, and NF F500-50
Surface: PLain oiled, Blasted oiled, Oxide black, Zinc plated, HDG, Dacromet, Sherardizing
Packing: Less than 25KG per double layer woven bag in fumigation free pallet ;
| Type | Specification | Weight/kg | Surface | Standard |
| Ss 1/130 | M22*130 | 0.451 | UIC | |
| Ss 1/150 | M22*150 | 0.478 | Natural | AREMA |
| Ss 2/180 | M22*150 | 0.595 | Zinc | GB |
| Ss 5/150 | M24*150 | 0.545 | Paint | or |
| Ss 6/150 | M26*150 | 0.702 | Oil | According to your drawings or samples. |
| Ss 7/180 | M24*180 | 0.636 | According to your needs. | |
| Ss 8/140 | M24*140 | 0.528 | ||
| Ss 8/150 | M24*150 | 0.548 |
In addition to the Ss series Sleeper Screw, GNEE RAIL can also provide various types of spiral spikes, such as Square head screw spike, Hexagon screw spike, Double-head screw spike, 3V sleeper screw, etc.
Hexagon screw spike
| Grade | 4.6 | 5 .6 | 8.8 | 10.9 |
| Material | Q235 | 35# | 45# | 40Cr |
| Mechanical | Tensile strength: ≥ 400Mpa | Tensile strength: ≥ 500Mpa | Tensile strength: ≥ 800Mpa | Tensile strength: ≥ 1000Mpa |
| Yield strength: ≥ 240Mpa | Yield strength: ≥ 300Mpa | Yield strength: ≥ 640Mpa | Yield strength: ≥ 900Mpa | |
| Elongation: ≥ 22% | Elongation: ≥ 20% | Elongation: ≥ 12% | Elongation: ≥ 9% | |
| Cold bending: 90 degree | Cold bending: 90 degree | Cold bending: 90 degree | Cold bending: 90 degree | |
| without crack | without crack | without crack | without crack | |
| Surface | plain (oiled) , Oxide black, Zinc, HDG, wax, bitumen, Dacromet, Sherardizing | |||